An electrical arc flash can occur when someone is verifying the presence of voltage, checking the balance of current, operating a switch, inspecting an energized cable or bus connections during ...
Reducing personal injuries from arc flash events should be the main goal of any arc flash hazard assessment. Many facilities have locations where the arc flash energy levels are extremely high. These ...
Each data center is unique but contains a generic layout[1] consisting of three main systems, namely: a) the electrical system; b) the mechanical system; and c) the information technology (IT) system.
Arc flash is defined as an explosive release of energy caused by an electrical arc. Typically, the arc results from either a phase-to-ground or phase-to-phase fault created by many possible events.
Sam (the name has been changed) worked for an electric utility. He was working near energized equipment and wearing arc flash gear as he cleaned up oil from a transformer. Because the oil might ...
I’ve got some good news and some bad news. The good news is that, according to the U.S. Bureau of Labor Statistics, the number of occupational fatalities resulting from exposure to electricity has ...
“When I looked back and saw that I had no pants on the back of my legs, and literally, the skin was hanging off my arms and my legs, I just knew something horrific had happened.” So begins the story ...
Failures can occur in the electrical disconnect switches, fuses or circuit breakers that control, protect and isolate electrical equipment in electrical power systems, also known as switchgear. When a ...
Three CTA workers were injured Tuesday morning while doing electrical work on a substation in an alley near State and Lake streets, according to the Chicago Fire Department. The workers were doing ...
A searing flash of fluorescent blue light triggered fears of an alien invasion in Queens, New York, late Thursday evening. As the dark sky over the borough suddenly glowed an extraordinary shade of ...